3994231 has 4 divisors (see below), whose sum is σ = 4039200. Its totient is φ = 3949264.

The previous prime is 3994229. The next prime is 3994253. The reversal of 3994231 is 1324993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1324993 = 331 ⋅4003.

It is a cyclic number.

It is not a de Polignac number, because 3994231 - 2¹ = 3994229 is a prime.

It is a super-2 number, since 2×3994231² = 31907762562722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3994193 and 3994202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22351 + ... + 22528.

It is an arithmetic number, because the mean of its divisors is an integer number (1009800).

Almost surely, 2^3994231 is an apocalyptic number.

3994231 is a deficient number, since it is larger than the sum of its proper divisors (44969).

3994231 is an equidigital number, since it uses as much as digits as its factorization.

3994231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44968.

The product of its digits is 5832, while the sum is 31.

The square root of 3994231 is about 1998.5572296034. The cubic root of 3994231 is about 158.6637541737.

It can be divided in two parts, 399423 and 1, that added together give a square (399424 = 632²).

The spelling of 3994231 in words is "three million, nine hundred ninety-four thousand, two hundred thirty-one".